Home / 210,400.70-290,353.29-119,756.66

Finding the Fourth Proportional to 210,400.70, 290,353.29 and 119,756.66

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Solution

The fourth proportional to 210,400.70, 290,353.29 and 119,756.66 is: 165,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,400.70 : 290,353.29 = 119,756.66 : x
  2. Step 2: Convert to fraction form
    210,400.70/290,353.29 = 119,756.66/x
  3. Step 3: Cross multiply
    210,400.70x = 290,353.29 × 119,756.66
  4. Step 4: Simplify right side
    210,400.70x = 34,771,740,956.29
  5. Step 5: Solve for x
    x = 34,771,740,956.29/210,400.70
  6. Step 6: Final answer
    x = 165,264.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.